| Judo |
1987 World Judo Championships |
Essen |
 GER |
Open, Men |
🥇 |
 JPN |
|
| Judo |
1988 Asian Judo Championships |
Damascus |
 SYR |
Open, Men |
🥇 |
JPN |
|
| Judo |
1989 World Judo Championships |
Belgrade |
 YUG |
+95 kg, Men |
🥇 |
JPN |
|
| Judo |
1989 World Judo Championships |
Belgrade |
YUG |
Open, Men |
🥇 |
JPN |
|
| Judo |
1990 Asian Games |
Beijing |
 CHN |
+95 kg, Men |
🥉 |
JPN |
|
| Judo |
1991 World Judo Championships |
Barcelona |
 ESP |
+95 kg, Men |
🥉 |
JPN |
|
| Judo |
1991 World Judo Championships |
Barcelona |
ESP |
Open, Men |
🥇 |
JPN |
|
| Judo |
1993 World Judo Championships |
Hamilton |
 CAN |
Open, Men |
🥉 |
JPN |
|
| Judo |
1995 World Judo Championships |
Chiba |
JPN |
+95 kg, Men |
🥉 |
JPN |
|